Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ke1 win in 3 half-moves
2 Kc1 draw
3 Ra3 draw
4 Ra4 draw
5 Ra5 draw
6 Ra6 draw
7 Rb1 draw
8 Kc2 loss in 2 half-moves
9 Kd2 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rc1 loss in 2 half-moves